/* GTK - The GIMP Toolkit * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball, Josh MacDonald, * Copyright (C) 1997-1998 Jay Painter * * GtkCTree widget for GTK+ * Copyright (C) 1998 Lars Hamann and Stefan Jeske * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #include #include "gtkctree.h" #include #define PM_SIZE 8 #define CELL_SPACING 1 #define CLIST_OPTIMUM_SIZE 512 #define ROW_TOP_YPIXEL(clist, row) (((clist)->row_height * (row)) + \ (((row) + 1) * CELL_SPACING) + \ (clist)->voffset) #define ROW_FROM_YPIXEL(clist, y) (((y) - (clist)->voffset) / \ ((clist)->row_height + CELL_SPACING)) #define COLUMN_LEFT_XPIXEL(clist, col) ((clist)->column[(col)].area.x \ + (clist)->hoffset) static void gtk_ctree_class_init (GtkCTreeClass *klass); static void gtk_ctree_init (GtkCTree *ctree); static void gtk_ctree_destroy (GtkObject *object); static gint gtk_ctree_button_press (GtkWidget *widget, GdkEventButton *event); static gint gtk_ctree_button_release (GtkWidget *widget, GdkEventButton *event); static gint gtk_ctree_button_motion (GtkWidget *widget, GdkEventMotion *event); static void gtk_ctree_realize (GtkWidget *widget); static void gtk_ctree_unrealize (GtkWidget *widget); static void create_xor_gc (GtkCTree *ctree); static void draw_xor_line (GtkCTree *ctree); static void draw_xor_rect (GtkCTree *ctree); static void create_drag_icon (GtkCTree *ctree, GtkCTreeRow *row); static void draw_row (GtkCList *clist, GdkRectangle *area, gint row, GtkCListRow *clist_row); static void tree_draw_row (GtkCTree *ctree, GList *row); static void cell_empty (GtkCList *clist, GtkCListRow *clist_row, gint column); static void cell_set_text (GtkCList *clist, GtkCListRow *clist_row, gint column, gchar *text); static void cell_set_pixmap (GtkCList *clist, GtkCListRow *clist_row, gint column, GdkPixmap *pixmap, GdkBitmap *mask); static void cell_set_pixtext (GtkCList *clist, GtkCListRow *clist_row, gint column, gchar *text, guint8 spacing, GdkPixmap *pixmap, GdkBitmap *mask); static void set_node_info (GtkCTree *ctree, GList *node, gchar *text, guint8 spacing, GdkPixmap *pixmap_closed, GdkBitmap *mask_closed, GdkPixmap *pixmap_opened, GdkBitmap *mask_opened, gboolean is_leaf, gboolean expanded); static GtkCTreeRow *row_new (GtkCTree *ctree); static void row_delete (GtkCTree *ctree, GtkCTreeRow *ctree_row); static void tree_delete (GtkCTree *ctree, GList *node, gpointer data); static void tree_delete_raw (GtkCTree *ctree, GList *node, gpointer data); static void tree_update_level (GtkCTree *ctree, GList *node, gpointer data); static void tree_select (GtkCTree *ctree, GList *node, gpointer data); static void tree_unselect (GtkCTree *ctree, GList *node, gpointer data); static void tree_expand (GtkCTree *ctree, GList *node, gpointer data); static void tree_collapse (GtkCTree *ctree, GList *node, gpointer data); static void real_select_row (GtkCTree *ctree, GList *row, gint column); static void real_unselect_row (GtkCTree *ctree, GList *row, gint column); static void tree_toggle_row (GtkCTree *ctree, GList *row, gint column); static void real_tree_expand (GtkCTree *ctree, GList *list); static void real_tree_collapse (GtkCTree *ctree, GList *list); static void real_tree_move (GtkCTree *ctree, GList *child, GList *new_parent, GList *new_sibling); static void gtk_ctree_link (GtkCTree *ctree, GList *child, GList *parent, GList *sibling); static void gtk_ctree_unlink (GtkCTree *ctree, GList *child); static GList * gtk_ctree_last_visible (GtkCTree *ctree, GList *list); static void gtk_ctree_marshal_signal_1 (GtkObject *object, GtkSignalFunc func, gpointer func_data, GtkArg *args); static void gtk_ctree_marshal_signal_2 (GtkObject *object, GtkSignalFunc func, gpointer func_data, GtkArg *args); static void gtk_ctree_marshal_signal_3 (GtkObject *object, GtkSignalFunc func, gpointer func_data, GtkArg *args); static gboolean ctree_is_hot_spot (GtkCTree *ctree, GList *node, gint row, gint x, gint y); static void tree_sort (GtkCTree *ctree, GList *node, gpointer data); static gint default_compare (GtkCTree *ctree, const GList *list1, const GList *list2); enum { TREE_SELECT_ROW, TREE_UNSELECT_ROW, TREE_EXPAND, TREE_COLLAPSE, TREE_MOVE, LAST_SIGNAL }; typedef void (*GtkCTreeSignal1) (GtkObject *object, GList *arg1, gint arg2, gpointer data); typedef void (*GtkCTreeSignal2) (GtkObject *object, GList *arg1, GList *arg2, GList *arg3, gpointer data); typedef void (*GtkCTreeSignal3) (GtkObject *object, GList *arg1, gpointer data); static GtkCListClass *parent_class = NULL; static GtkContainerClass *container_class = NULL; static guint ctree_signals[LAST_SIGNAL] = {0}; GtkType gtk_ctree_get_type () { static GtkType ctree_type = 0; if (!ctree_type) { GtkTypeInfo ctree_info = { "GtkCTree", sizeof (GtkCTree), sizeof (GtkCTreeClass), (GtkClassInitFunc) gtk_ctree_class_init, (GtkObjectInitFunc) gtk_ctree_init, (GtkArgSetFunc) NULL, (GtkArgGetFunc) NULL, }; ctree_type = gtk_type_unique (gtk_clist_get_type (), &ctree_info); } return ctree_type; } static void gtk_ctree_marshal_signal_1 (GtkObject *object, GtkSignalFunc func, gpointer func_data, GtkArg *args) { GtkCTreeSignal1 rfunc; rfunc = (GtkCTreeSignal1) func; (*rfunc) (object, GTK_VALUE_POINTER (args[0]), GTK_VALUE_INT (args[1]), func_data); } static void gtk_ctree_marshal_signal_2 (GtkObject *object, GtkSignalFunc func, gpointer func_data, GtkArg *args) { GtkCTreeSignal2 rfunc; rfunc = (GtkCTreeSignal2) func; (*rfunc) (object, GTK_VALUE_POINTER (args[0]), GTK_VALUE_POINTER (args[1]), GTK_VALUE_POINTER (args[2]), func_data); } static void gtk_ctree_marshal_signal_3 (GtkObject *object, GtkSignalFunc func, gpointer func_data, GtkArg *args) { GtkCTreeSignal3 rfunc; rfunc = (GtkCTreeSignal3) func; (*rfunc) (object, GTK_VALUE_POINTER (args[0]), func_data); } static void gtk_ctree_class_init (GtkCTreeClass *klass) { GtkObjectClass *object_class; GtkWidgetClass *widget_class; GtkCListClass *clist_class; object_class = (GtkObjectClass *) klass; widget_class = (GtkWidgetClass *) klass; container_class = (GtkContainerClass *) klass; clist_class = (GtkCListClass *) klass; parent_class = gtk_type_class (gtk_clist_get_type ()); container_class = gtk_type_class (gtk_container_get_type ()); ctree_signals[TREE_SELECT_ROW] = gtk_signal_new ("tree_select_row", GTK_RUN_FIRST, object_class->type, GTK_SIGNAL_OFFSET (GtkCTreeClass, tree_select_row), gtk_ctree_marshal_signal_1, GTK_TYPE_NONE, 2, GTK_TYPE_POINTER, GTK_TYPE_INT); ctree_signals[TREE_UNSELECT_ROW] = gtk_signal_new ("tree_unselect_row", GTK_RUN_FIRST, object_class->type, GTK_SIGNAL_OFFSET (GtkCTreeClass, tree_unselect_row), gtk_ctree_marshal_signal_1, GTK_TYPE_NONE, 2, GTK_TYPE_POINTER, GTK_TYPE_INT); ctree_signals[TREE_EXPAND] = gtk_signal_new ("tree_expand", GTK_RUN_LAST, object_class->type, GTK_SIGNAL_OFFSET (GtkCTreeClass, tree_expand), gtk_ctree_marshal_signal_3, GTK_TYPE_NONE, 1, GTK_TYPE_POINTER); ctree_signals[TREE_COLLAPSE] = gtk_signal_new ("tree_collapse", GTK_RUN_LAST, object_class->type, GTK_SIGNAL_OFFSET (GtkCTreeClass, tree_collapse), gtk_ctree_marshal_signal_3, GTK_TYPE_NONE, 1, GTK_TYPE_POINTER); ctree_signals[TREE_MOVE] = gtk_signal_new ("tree_move", GTK_RUN_LAST, object_class->type, GTK_SIGNAL_OFFSET (GtkCTreeClass, tree_move), gtk_ctree_marshal_signal_2, GTK_TYPE_NONE, 3, GTK_TYPE_POINTER, GTK_TYPE_POINTER, GTK_TYPE_POINTER); gtk_object_class_add_signals (object_class, ctree_signals, LAST_SIGNAL); object_class->destroy = gtk_ctree_destroy; widget_class->realize = gtk_ctree_realize; widget_class->unrealize = gtk_ctree_unrealize; widget_class->button_press_event = gtk_ctree_button_press; widget_class->button_release_event = gtk_ctree_button_release; widget_class->motion_notify_event = gtk_ctree_button_motion; clist_class->select_row = NULL; clist_class->unselect_row = NULL; clist_class->click_column = NULL; clist_class->draw_row = draw_row; klass->tree_select_row = real_select_row; klass->tree_unselect_row = real_unselect_row; klass->tree_expand = real_tree_expand; klass->tree_collapse = real_tree_collapse; klass->tree_move = real_tree_move; } static void gtk_ctree_init (GtkCTree *ctree) { ctree->tree_indent = 20; ctree->tree_column = 0; ctree->selection_last = NULL; ctree->draw_lines = TRUE; ctree->line_style = GTK_CTREE_LINES_SOLID; ctree->reorderable = FALSE; ctree->use_icons = TRUE; ctree->drag_row = -1; ctree->drag_rect = FALSE; ctree->xor_gc = NULL; ctree->in_drag = FALSE; ctree->drag_source = NULL; ctree->drag_target = NULL; ctree->insert_pos = GTK_CTREE_POS_AS_CHILD; ctree->drag_icon = NULL; ctree->auto_sort = FALSE; ctree->node_compare = default_compare; } static void gtk_ctree_destroy (GtkObject *object) { gint i; GtkCList *clist; g_return_if_fail (object != NULL); g_return_if_fail (GTK_IS_CTREE (object)); clist = GTK_CLIST (object); /* freeze the list */ GTK_CLIST_SET_FLAG (clist, CLIST_FROZEN); /* get rid of all the rows */ gtk_ctree_clear (GTK_CTREE (object)); /* destroy the scrollbars */ if (clist->vscrollbar) { gtk_widget_unparent (clist->vscrollbar); clist->vscrollbar = NULL; } if (clist->hscrollbar) { gtk_widget_unparent (clist->hscrollbar); clist->hscrollbar = NULL; } /* destroy the column buttons */ for (i = 0; i < clist->columns; i++) if (clist->column[i].button) { gtk_widget_unparent (clist->column[i].button); clist->column[i].button = NULL; } if (GTK_OBJECT_CLASS (container_class)->destroy) (*GTK_OBJECT_CLASS (container_class)->destroy) (object); } static void gtk_ctree_realize (GtkWidget *widget) { GtkCTree *ctree; GdkGCValues values; GdkGCPrivate *private; ctree = GTK_CTREE (widget); (* GTK_WIDGET_CLASS (parent_class)->realize) (widget); values.foreground = widget->style->fg[GTK_STATE_NORMAL]; values.background = widget->style->bg[GTK_STATE_NORMAL]; values.subwindow_mode = GDK_INCLUDE_INFERIORS; values.line_style = GDK_LINE_SOLID; ctree->lines_gc = gdk_gc_new_with_values (GTK_CLIST(widget)->clist_window, &values, GDK_GC_FOREGROUND | GDK_GC_BACKGROUND | GDK_GC_SUBWINDOW | GDK_GC_LINE_STYLE); if (ctree->line_style == GTK_CTREE_LINES_DOTTED) { gdk_gc_set_line_attributes (ctree->lines_gc, 1, GDK_LINE_ON_OFF_DASH, None, None); private = (GdkGCPrivate *) ctree->lines_gc; XSetDashes (private->xdisplay, private->xgc, 0, "\1\1", 2); } else if (ctree->line_style == GTK_CTREE_LINES_NONE) ctree->draw_lines = FALSE; if (ctree->reorderable) create_xor_gc (ctree); } static void gtk_ctree_unrealize (GtkWidget *widget) { GtkCTree *ctree; ctree = GTK_CTREE (widget); (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget); gdk_gc_destroy (ctree->lines_gc); if (ctree->reorderable) gdk_gc_destroy (ctree->xor_gc); } static gint gtk_ctree_button_press (GtkWidget *widget, GdkEventButton *event) { GtkCTree *ctree; GtkCList *clist; g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (GTK_IS_CTREE (widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); ctree = GTK_CTREE (widget); clist = GTK_CLIST (widget); if (event->window == clist->clist_window) { GList *work; gint x; gint y; gint row; gint column; x = event->x; y = event->y; if (gtk_clist_get_selection_info (clist, x, y, &row, &column)) { if (event->button == 1) ctree->drag_row = - 1 - ROW_FROM_YPIXEL (clist, y); work = g_list_nth (clist->row_list, row); if (GTK_CTREE_ROW (work)->children && (event->type == GDK_2BUTTON_PRESS || (ctree_is_hot_spot (ctree, work, row, x, y) && event->button == 1))) { if (GTK_CTREE_ROW (work)->expanded) gtk_ctree_collapse (ctree, work); else gtk_ctree_expand (ctree, work); } else if (ctree->reorderable && event->button == 1 && !ctree->in_drag) { gdk_pointer_grab (event->window, FALSE, GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON1_MOTION_MASK | GDK_BUTTON_RELEASE_MASK, NULL, NULL, event->time); ctree->in_drag = TRUE; ctree->drag_source = work; ctree->drag_target = NULL; return FALSE; } } return FALSE; } return (* GTK_WIDGET_CLASS (parent_class)->button_press_event) (widget, event); } static gint gtk_ctree_button_motion (GtkWidget *widget, GdkEventMotion *event) { GtkCTree *ctree; GtkCList *clist; gint x; gint y; gint row; gint insert_pos = GTK_CTREE_POS_AS_CHILD; g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (GTK_IS_CTREE (widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); ctree = GTK_CTREE (widget); clist = GTK_CLIST (widget); if (!ctree->reorderable) return (* GTK_WIDGET_CLASS (parent_class)->motion_notify_event) (widget, event); if (event->window == clist->clist_window && ctree->in_drag) { GdkModifierType modmask; gint root_x; gint root_y; x = event->x; y = event->y; if (event->is_hint) gdk_window_get_pointer (event->window, &x, &y, NULL); /* delayed drag start */ if (!ctree->drag_target && y >= ROW_TOP_YPIXEL (clist, -ctree->drag_row-1) && y <= ROW_TOP_YPIXEL (clist, -ctree->drag_row-1) + clist->row_height) return (* GTK_WIDGET_CLASS (parent_class)->motion_notify_event) (widget, event); if (ctree->use_icons) { if (!ctree->drag_icon) create_drag_icon (ctree, GTK_CTREE_ROW (ctree->drag_source)); else { gdk_window_get_pointer (NULL, &root_x, &root_y, &modmask); gdk_window_move (ctree->drag_icon, root_x - ctree->icon_width /2, root_y - ctree->icon_height); } } /* out of bounds check */ if (x < 0 || y < -3 || x > clist->clist_window_width || y > clist->clist_window_height + 3 || y > ROW_TOP_YPIXEL (clist, clist->rows-1) + clist->row_height + 3) { if (ctree->drag_row >= 0) { if (ctree->drag_rect) { draw_xor_rect (ctree); ctree->drag_rect = FALSE; } else draw_xor_line (ctree); ctree->drag_row = -1; } return (* GTK_WIDGET_CLASS (parent_class)->motion_notify_event) (widget, event); } row = ROW_FROM_YPIXEL (clist, y); /* re-calculate target */ if (ctree->drag_target && ctree->drag_row == -1) ctree->drag_target = g_list_nth (clist->row_list, row); if (y < 0 || y > clist->clist_window_height || ROW_TOP_YPIXEL (clist, row + 1) > clist->clist_window_height || row >= clist->rows) return (* GTK_WIDGET_CLASS (parent_class)->motion_notify_event) (widget, event); if (y - ROW_TOP_YPIXEL (clist, row) < clist->row_height / 4) insert_pos = GTK_CTREE_POS_BEFORE; else if (ROW_TOP_YPIXEL (clist, row) + clist->row_height - y < clist->row_height / 4) insert_pos = GTK_CTREE_POS_AFTER; if (row != ctree->drag_row || (row == ctree->drag_row && ctree->insert_pos != insert_pos)) { if (insert_pos != GTK_CTREE_POS_AS_CHILD) { if (ctree->drag_row >= 0) { if (ctree->drag_rect) { draw_xor_rect (ctree); ctree->drag_rect = FALSE; } else draw_xor_line (ctree); } ctree->insert_pos = insert_pos; ctree->drag_target = g_list_nth (clist->row_list, row); ctree->drag_row = row; draw_xor_line (ctree); } else if (ctree->drag_target && !GTK_CTREE_ROW (ctree->drag_target)->is_leaf) { if (ctree->drag_row >= 0) { if (ctree->drag_rect) draw_xor_rect (ctree); else draw_xor_line (ctree); } ctree->drag_rect = TRUE; ctree->insert_pos = insert_pos; ctree->drag_target = g_list_nth (clist->row_list, row); ctree->drag_row = row; draw_xor_rect (ctree); } } } return (* GTK_WIDGET_CLASS (parent_class)->motion_notify_event) (widget, event); } static gint gtk_ctree_button_release (GtkWidget *widget, GdkEventButton *event) { GtkCTree *ctree; GtkCList *clist; g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (GTK_IS_CTREE (widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); ctree = GTK_CTREE (widget); clist = GTK_CLIST (widget); if (event->button == 1) { gdk_pointer_ungrab (event->time); ctree->in_drag = FALSE; if (ctree->use_icons && ctree->drag_icon) { gdk_window_destroy (ctree->drag_icon); ctree->drag_icon = NULL; } if (ctree->drag_row >= 0) { if (ctree->drag_rect) { draw_xor_rect (ctree); ctree->drag_rect = FALSE; } else draw_xor_line (ctree); ctree->drag_row = -1; } else { if (event->window == clist->clist_window) { gint row; gint column; GList *work; if (gtk_clist_get_selection_info (clist, event->x, event->y, &row, &column)) if (row == - (ctree->drag_row + 1) && (work = g_list_nth (clist->row_list, row))) { if (GTK_CTREE_ROW (work)->children && ctree_is_hot_spot (ctree, work, row, event->x, event->y)) return (* GTK_WIDGET_CLASS (parent_class) ->button_release_event) (widget, event); tree_toggle_row (ctree, work, column); } return FALSE; } return (* GTK_WIDGET_CLASS (parent_class)->button_release_event) (widget, event); } /* nop if out of bounds / source = target */ if (event->x < 0 || event->y < -3 || event->x > clist->clist_window_width || event->y > clist->clist_window_height + 3 || ctree->drag_target == ctree->drag_source) return (* GTK_WIDGET_CLASS (parent_class)->button_release_event) (widget, event); if (!GTK_CTREE_ROW (ctree->drag_source)->children || !gtk_ctree_is_ancestor (ctree, ctree->drag_source, ctree->drag_target)) { if (ctree->insert_pos == GTK_CTREE_POS_AFTER) { if (GTK_CTREE_ROW (ctree->drag_target)->sibling != ctree->drag_source) gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_MOVE], ctree->drag_source, GTK_CTREE_ROW (ctree->drag_target)->parent, GTK_CTREE_ROW (ctree->drag_target)->sibling); } else if (ctree->insert_pos == GTK_CTREE_POS_BEFORE) { if (GTK_CTREE_ROW (ctree->drag_source)->sibling != ctree->drag_target) gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_MOVE], ctree->drag_source, GTK_CTREE_ROW (ctree->drag_target)->parent, ctree->drag_target); } else if (!GTK_CTREE_ROW (ctree->drag_target)->is_leaf) { if (GTK_CTREE_ROW (ctree->drag_target)->children != ctree->drag_source) gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_MOVE], ctree->drag_source, ctree->drag_target, GTK_CTREE_ROW (ctree->drag_target)->children); } } ctree->drag_source = NULL; ctree->drag_target = NULL; } return (* GTK_WIDGET_CLASS (parent_class)->button_release_event) (widget, event); } static void create_drag_icon (GtkCTree *ctree, GtkCTreeRow *row) { GdkWindow *window = NULL; GdkWindowAttr attributes; gint attributes_mask; GtkCList *clist; GtkWidget *widget; GdkPixmap *pixmap; GdkBitmap *mask; GdkModifierType modmask; gint root_x; gint root_y; clist = GTK_CLIST (ctree); widget = GTK_WIDGET (ctree); pixmap = GTK_CELL_PIXTEXT (row->row.cell[ctree->tree_column])->pixmap; mask = GTK_CELL_PIXTEXT (row->row.cell[ctree->tree_column])->mask; if (!pixmap) return; gdk_window_get_pointer (NULL, &root_x, &root_y, &modmask); gdk_window_get_size (pixmap, &ctree->icon_width, &ctree->icon_height); attributes.window_type = GDK_WINDOW_TEMP; attributes.x = root_x - ctree->icon_width / 2; attributes.y = root_y - ctree->icon_height; attributes.width = ctree->icon_width; attributes.height = ctree->icon_height; attributes.wclass = GDK_INPUT_OUTPUT; attributes.visual = gtk_widget_get_visual (widget); attributes.colormap = gtk_widget_get_colormap (widget); attributes.event_mask = gtk_widget_get_events (widget); attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP; window = gdk_window_new (widget->window, &attributes, attributes_mask); gdk_window_set_back_pixmap (window, pixmap, FALSE); if (mask) gdk_window_shape_combine_mask (window, mask, 0, 0); gdk_window_show (window); ctree->drag_icon = window; } static void create_xor_gc (GtkCTree *ctree) { GtkCList *clist; GdkGCValues values; GdkGCPrivate *private; clist = GTK_CLIST (ctree); values.foreground = GTK_WIDGET (clist)->style->bg[GTK_STATE_NORMAL]; values.function = GDK_XOR; values.subwindow_mode = GDK_INCLUDE_INFERIORS; ctree->xor_gc = gdk_gc_new_with_values (clist->clist_window, &values, GDK_GC_FOREGROUND | GDK_GC_FUNCTION | GDK_GC_SUBWINDOW); gdk_gc_set_line_attributes (ctree->xor_gc, 1, GDK_LINE_ON_OFF_DASH, None, None); private = (GdkGCPrivate*) ctree->xor_gc; XSetDashes (private->xdisplay, private->xgc, 0, "\2\2", 2); } static void draw_xor_line (GtkCTree *ctree) { GtkCList *clist; gint level; gint y = 0; clist = GTK_CLIST (ctree); level = GTK_CTREE_ROW (ctree->drag_target)->level; if (ctree->insert_pos == GTK_CTREE_POS_AFTER) y = ROW_TOP_YPIXEL (clist, ctree->drag_row) + clist->row_height; else y = ROW_TOP_YPIXEL (clist, ctree->drag_row) - 1; if (clist->column[ctree->tree_column].justification == GTK_JUSTIFY_LEFT) { if (ctree->tree_column > 0) gdk_draw_line (clist->clist_window, ctree->xor_gc, COLUMN_LEFT_XPIXEL(clist, 0), y, COLUMN_LEFT_XPIXEL(clist, ctree->tree_column - 1) + clist->column[ctree->tree_column - 1].area.width, y); gdk_draw_line (clist->clist_window, ctree->xor_gc, COLUMN_LEFT_XPIXEL(clist, ctree->tree_column) + ctree->tree_indent * level, y, GTK_WIDGET (ctree)->allocation.width, y); } else if (clist->column[ctree->tree_column].justification == GTK_JUSTIFY_RIGHT) { if (ctree->tree_column < clist->columns - 1) gdk_draw_line (clist->clist_window, ctree->xor_gc, COLUMN_LEFT_XPIXEL(clist, ctree->tree_column + 1), y, COLUMN_LEFT_XPIXEL(clist, clist->columns - 1) + clist->column[clist->columns - 1].area.width, y); gdk_draw_line (clist->clist_window, ctree->xor_gc, 0, y, COLUMN_LEFT_XPIXEL(clist, ctree->tree_column) + clist->column[ctree->tree_column].area.width - ctree->tree_indent * level, y); } } static void draw_xor_rect (GtkCTree *ctree) { GtkCList *clist; GdkPoint points[4]; guint level; gint i; gint y; clist = GTK_CLIST (ctree); level = GTK_CTREE_ROW (ctree->drag_target)->level; y = ROW_TOP_YPIXEL (clist, ctree->drag_row) + clist->row_height; if (clist->column[ctree->tree_column].justification == GTK_JUSTIFY_LEFT) { points[0].x = COLUMN_LEFT_XPIXEL(clist, ctree->tree_column) + ctree->tree_indent * level; points[0].y = y; points[3].x = points[0].x; points[3].y = y - clist->row_height - 1; points[1].x = clist->clist_window_width - 1; points[1].y = points[0].y; points[2].x = points[1].x; points[2].y = points[3].y; for (i = 0; i < 3; i++) gdk_draw_line (clist->clist_window, ctree->xor_gc, points[i].x, points[i].y, points[i+1].x, points[i+1].y); if (ctree->tree_column > 0) { points[0].x = COLUMN_LEFT_XPIXEL(clist, ctree->tree_column - 1) + clist->column[ctree->tree_column - 1].area.width ; points[0].y = y; points[3].x = points[0].x; points[3].y = y - clist->row_height - 1; points[1].x = 0; points[1].y = points[0].y; points[2].x = 0; points[2].y = points[3].y; for (i = 0; i < 3; i++) gdk_draw_line (clist->clist_window, ctree->xor_gc, points[i].x, points[i].y, points[i+1].x, points[i+1].y); } } else if (clist->column[ctree->tree_column].justification == GTK_JUSTIFY_RIGHT) { points[0].x = COLUMN_LEFT_XPIXEL(clist, ctree->tree_column) - ctree->tree_indent * level + clist->column[ctree->tree_column].area.width; points[0].y = y; points[3].x = points[0].x; points[3].y = y - clist->row_height - 1; points[1].x = 0; points[1].y = points[0].y; points[2].x = 0; points[2].y = points[3].y; for (i = 0; i < 3; i++) gdk_draw_line (clist->clist_window, ctree->xor_gc, points[i].x, points[i].y, points[i+1].x, points[i+1].y); if (ctree->tree_column < clist->columns - 1) { points[0].x = COLUMN_LEFT_XPIXEL(clist, ctree->tree_column + 1); points[0].y = y; points[3].x = points[0].x; points[3].y = y - clist->row_height - 1; points[1].x = clist->clist_window_width - 1; points[1].y = points[0].y; points[2].x = points[1].x; points[2].y = points[3].y; for (i = 0; i < 3; i++) gdk_draw_line (clist->clist_window, ctree->xor_gc, points[i].x, points[i].y, points[i+1].x, points[i+1].y); } } } static void draw_row (GtkCList *clist, GdkRectangle *area, gint row, GtkCListRow *clist_row) { GtkWidget *widget; GtkCTree *ctree; GdkGC *fg_gc; GdkGC *bg_gc; GdkRectangle row_rectangle; GdkRectangle cell_rectangle; GdkRectangle clip_rectangle; GdkRectangle intersect_rectangle; GdkRectangle *rect; gint i, offset = 0, width, height, pixmap_width = 0, string_width = 0; gint xsrc, ysrc, xdest, ydest; gboolean need_redraw = TRUE; g_return_if_fail (clist != NULL); /* bail now if we arn't drawable yet */ if (!GTK_WIDGET_DRAWABLE (clist)) return; if (row < 0 || row >= clist->rows) return; widget = GTK_WIDGET (clist); ctree = GTK_CTREE (clist); /* if the function is passed the pointer to the row instead of null, * it avoids this expensive lookup */ if (!clist_row) clist_row = (g_list_nth (clist->row_list, row))->data; /* rectangle of the entire row */ row_rectangle.x = 0; row_rectangle.y = ROW_TOP_YPIXEL (clist, row); row_rectangle.width = clist->clist_window_width; row_rectangle.height = clist->row_height; /* rectangle of the cell spacing above the row */ cell_rectangle.x = 0; cell_rectangle.y = row_rectangle.y - CELL_SPACING; cell_rectangle.width = row_rectangle.width; cell_rectangle.height = CELL_SPACING; /* rectangle used to clip drawing operations, it's y and height * positions only need to be set once, so we set them once here. * the x and width are set withing the drawing loop below once per * column */ clip_rectangle.y = row_rectangle.y; clip_rectangle.height = row_rectangle.height; /* select GC for background rectangle */ if (clist_row->state == GTK_STATE_SELECTED) { fg_gc = widget->style->fg_gc[GTK_STATE_SELECTED]; bg_gc = widget->style->bg_gc[GTK_STATE_SELECTED]; } else { if (clist_row->fg_set) { gdk_gc_set_foreground (clist->fg_gc, &clist_row->foreground); fg_gc = clist->fg_gc; } else fg_gc = widget->style->fg_gc[GTK_STATE_NORMAL]; if (clist_row->bg_set) { gdk_gc_set_foreground (clist->bg_gc, &clist_row->background); bg_gc = clist->bg_gc; } else bg_gc = widget->style->bg_gc[GTK_STATE_PRELIGHT]; } /* draw the cell borders and background */ if (area) { if (gdk_rectangle_intersect (area, &cell_rectangle, &intersect_rectangle)) gdk_draw_rectangle (clist->clist_window, widget->style->base_gc[GTK_STATE_NORMAL], TRUE, intersect_rectangle.x, intersect_rectangle.y, intersect_rectangle.width, intersect_rectangle.height); /* the last row has to clear it's bottom cell spacing too */ if (clist_row == clist->row_list_end->data) { cell_rectangle.y += clist->row_height + CELL_SPACING; if (gdk_rectangle_intersect (area, &cell_rectangle, &intersect_rectangle)) gdk_draw_rectangle (clist->clist_window, widget->style->base_gc[GTK_STATE_NORMAL], TRUE, intersect_rectangle.x, intersect_rectangle.y, intersect_rectangle.width, intersect_rectangle.height); } if (gdk_rectangle_intersect (area, &row_rectangle, &intersect_rectangle)) { if (clist_row->state == GTK_STATE_SELECTED || clist_row->fg_set) gdk_draw_rectangle (clist->clist_window, bg_gc, TRUE, intersect_rectangle.x, intersect_rectangle.y, intersect_rectangle.width, intersect_rectangle.height); else gdk_window_clear_area (clist->clist_window, intersect_rectangle.x, intersect_rectangle.y, intersect_rectangle.width, intersect_rectangle.height); } else need_redraw = FALSE; } else { gdk_draw_rectangle (clist->clist_window, widget->style->base_gc[GTK_STATE_NORMAL], TRUE, cell_rectangle.x, cell_rectangle.y, cell_rectangle.width, cell_rectangle.height); /* the last row has to clear it's bottom cell spacing too */ if (clist_row == clist->row_list_end->data) { cell_rectangle.y += clist->row_height + CELL_SPACING; gdk_draw_rectangle (clist->clist_window, widget->style->base_gc[GTK_STATE_NORMAL], TRUE, cell_rectangle.x, cell_rectangle.y, cell_rectangle.width, cell_rectangle.height); } if (clist_row->state == GTK_STATE_SELECTED || clist_row->fg_set) gdk_draw_rectangle (clist->clist_window, bg_gc, TRUE, row_rectangle.x, row_rectangle.y, row_rectangle.width, row_rectangle.height); else gdk_window_clear_area (clist->clist_window, row_rectangle.x, row_rectangle.y, row_rectangle.width, row_rectangle.height); } /* iterate and draw all the columns (row cells) and draw their contents */ for (i = 0; i < clist->columns; i++) { if (!need_redraw && ctree->tree_column != i) continue; clip_rectangle.x = clist->column[i].area.x + clist->hoffset; clip_rectangle.width = clist->column[i].area.width; /* calculate clipping region clipping region */ if (i == ctree->tree_column) { clip_rectangle.y -= CELL_SPACING; clip_rectangle.height += CELL_SPACING; } if (!area) { rect = &clip_rectangle; } else { if (!gdk_rectangle_intersect (area, &clip_rectangle, &intersect_rectangle)) continue; rect = &intersect_rectangle; } /* calculate real width for column justification */ switch (clist_row->cell[i].type) { case GTK_CELL_EMPTY: continue; break; case GTK_CELL_TEXT: width = gdk_string_width (GTK_WIDGET (clist)->style->font, GTK_CELL_TEXT (clist_row->cell[i])->text); break; case GTK_CELL_PIXMAP: gdk_window_get_size (GTK_CELL_PIXMAP (clist_row->cell[i])->pixmap, &width, &height); pixmap_width = width; break; case GTK_CELL_PIXTEXT: if (i == ctree->tree_column) { string_width = 0; width = 0; if (GTK_CELL_PIXTEXT (clist_row->cell[i])->pixmap) gdk_window_get_size (GTK_CELL_PIXTEXT (clist_row->cell[i])->pixmap, &width, &height); pixmap_width = width; width += GTK_CELL_PIXTEXT (clist_row->cell[i])->spacing; if (GTK_CELL_PIXTEXT (clist_row->cell[i])->text) string_width += gdk_string_width (GTK_WIDGET (clist)->style->font, GTK_CELL_PIXTEXT(clist_row->cell[i])->text); width += string_width + ((GtkCTreeRow *)clist_row)->level * ctree->tree_indent; } else { gdk_window_get_size (GTK_CELL_PIXTEXT (clist_row->cell[i])->pixmap, &width, &height); pixmap_width = width; width += GTK_CELL_PIXTEXT (clist_row->cell[i])->spacing; width += gdk_string_width (GTK_WIDGET (clist)->style->font, GTK_CELL_PIXTEXT (clist_row->cell[i])->text); } break; case GTK_CELL_WIDGET: /* unimplemented */ continue; break; default: continue; break; } switch (clist->column[i].justification) { case GTK_JUSTIFY_LEFT: offset = clip_rectangle.x; break; case GTK_JUSTIFY_RIGHT: offset = (clip_rectangle.x + clip_rectangle.width) - width; break; case GTK_JUSTIFY_CENTER: offset = (clip_rectangle.x + (clip_rectangle.width / 2)) - (width / 2); break; case GTK_JUSTIFY_FILL: offset = (clip_rectangle.x + (clip_rectangle.width / 2)) - (width / 2); break; default: offset = 0; break; }; if (i == ctree->tree_column && clist->column[i].justification == GTK_JUSTIFY_LEFT) { GList *work; gint xoffset; gint yoffset; gint xcenter; gint ycenter; gint offset_x = 1; gint offset_y = 0; xsrc = 0; ysrc = 0; xdest = clip_rectangle.x + (((GtkCTreeRow *) clist_row)->level - 1) * ctree->tree_indent; if (clist_row->state == GTK_STATE_SELECTED) { gdk_gc_set_foreground (ctree->lines_gc, >K_WIDGET (ctree)->style-> fg[GTK_STATE_SELECTED]); gdk_gc_set_background (ctree->lines_gc, >K_WIDGET (ctree)->style-> bg[GTK_STATE_SELECTED]); } else { gdk_gc_set_foreground (ctree->lines_gc, >K_WIDGET (ctree)->style-> fg[GTK_STATE_NORMAL]); if (clist_row->bg_set) gdk_gc_set_background (ctree->lines_gc, &clist_row->background); } gdk_gc_set_clip_origin (fg_gc, 0, 0); gdk_gc_set_clip_origin (ctree->lines_gc, 0, 0); gdk_gc_set_clip_rectangle (fg_gc, rect); gdk_gc_set_clip_rectangle (ctree->lines_gc, rect); yoffset = (clip_rectangle.height - PM_SIZE) / 2; xoffset = (ctree->tree_indent - PM_SIZE) / 2; ycenter = clip_rectangle.y + (clip_rectangle.height / 2); xcenter = xdest + (ctree->tree_indent / 2); if (ctree->draw_lines) { if (ctree->line_style == GTK_CTREE_LINES_DOTTED) { offset_x += abs((clip_rectangle.x + clist->hoffset) % 2); offset_y = abs((clip_rectangle.y + clist->voffset) % 2); } gdk_draw_line (clist->clist_window, ctree->lines_gc, xcenter, clip_rectangle.y + offset_y, xcenter, (((GtkCTreeRow *)clist_row)->sibling) ? rect->y + rect->height : ycenter); gdk_draw_line (clist->clist_window, ctree->lines_gc, xcenter + offset_x, ycenter, xcenter + PM_SIZE / 2 + 2, ycenter); } if (((GtkCTreeRow *)clist_row)->children) { GdkGC *cgc; GdkGC *tgc; if (clist_row->state == GTK_STATE_SELECTED) { if (clist_row->fg_set) tgc = clist->fg_gc; else tgc = widget->style->fg_gc[GTK_STATE_NORMAL]; cgc = tgc; } else { cgc = GTK_WIDGET(clist)->style->fg_gc[GTK_STATE_SELECTED]; tgc = fg_gc; } gdk_gc_set_clip_rectangle (cgc, rect); gdk_draw_rectangle (clist->clist_window, GTK_WIDGET (clist)->style-> fg_gc[GTK_STATE_SELECTED], TRUE, xdest + xoffset, clip_rectangle.y + yoffset, PM_SIZE, PM_SIZE); gdk_draw_rectangle (clist->clist_window, tgc, FALSE, xdest + xoffset, clip_rectangle.y + yoffset, PM_SIZE, PM_SIZE); gdk_draw_line (clist->clist_window, tgc, xdest + xoffset + 2, ycenter, xdest + xoffset + PM_SIZE - 2, ycenter); if (!((GtkCTreeRow *)clist_row)->expanded) gdk_draw_line (clist->clist_window, tgc, xcenter, clip_rectangle.y + yoffset + 2, xcenter, clip_rectangle.y + yoffset + PM_SIZE - 2); gdk_gc_set_clip_rectangle (cgc, NULL); } work = ((GtkCTreeRow *)clist_row)->parent; while (work) { xcenter -= ctree->tree_indent; if (ctree->draw_lines && GTK_CTREE_ROW (work)->sibling) gdk_draw_line (clist->clist_window, ctree->lines_gc, xcenter, clip_rectangle.y + offset_y, xcenter, rect->y + rect->height); work = GTK_CTREE_ROW (work)->parent; } gdk_gc_set_clip_rectangle (ctree->lines_gc, NULL); xdest += offset - clip_rectangle.x + ctree->tree_indent + clist_row->cell[i].horizontal; ydest = (clip_rectangle.y + (clip_rectangle.height / 2)) - height / 2 + clist_row->cell[i].vertical; if (pixmap_width && xdest + pixmap_width >= rect->x && xdest <= rect->x + rect->width) { if (GTK_CELL_PIXTEXT (clist_row->cell[i])->mask) { gdk_gc_set_clip_mask (fg_gc, GTK_CELL_PIXTEXT (clist_row->cell[i])->mask); gdk_gc_set_clip_origin (fg_gc, xdest, ydest); } gdk_draw_pixmap (clist->clist_window, fg_gc, GTK_CELL_PIXTEXT (clist_row->cell[i])->pixmap, xsrc, ysrc, xdest, ydest, pixmap_width, height); if (xdest + pixmap_width > clip_rectangle.x + clip_rectangle.width) gdk_draw_rectangle (clist->clist_window, bg_gc, TRUE, rect->x + rect->width, ydest + 1, xdest + pixmap_width - (rect->x + rect->width), height - 1); } if (string_width) { gint delta; xdest += pixmap_width + GTK_CELL_PIXTEXT (clist_row->cell[i])->spacing; delta = CELL_SPACING - (rect->y - clip_rectangle.y); if (delta > 0) { rect->y += delta; rect->height -= delta; } gdk_gc_set_clip_rectangle (fg_gc, rect); gdk_draw_string (clist->clist_window, widget->style->font, fg_gc, xdest, row_rectangle.y + clist->row_center_offset + clist_row->cell[i].vertical, GTK_CELL_PIXTEXT (clist_row->cell[i])->text); } gdk_gc_set_clip_rectangle (fg_gc, NULL); } else if (i == ctree->tree_column && clist->column[i].justification == GTK_JUSTIFY_RIGHT) { GList *work; gint xoffset; gint yoffset; gint xcenter; gint ycenter; gint offset_x = 0; gint offset_y = 0; xsrc = 0; ysrc = 0; xdest = clip_rectangle.x + clip_rectangle.width - (((GtkCTreeRow *) clist_row)->level - 1) * ctree->tree_indent; if (clist_row->state == GTK_STATE_SELECTED) { gdk_gc_set_foreground (ctree->lines_gc, >K_WIDGET (ctree)->style-> fg[GTK_STATE_SELECTED]); gdk_gc_set_background (ctree->lines_gc, >K_WIDGET (ctree)->style-> bg[GTK_STATE_SELECTED]); } else { gdk_gc_set_foreground (ctree->lines_gc, >K_WIDGET (ctree)->style-> fg[GTK_STATE_NORMAL]); if (clist_row->bg_set) gdk_gc_set_background (ctree->lines_gc, &clist_row->background); } gdk_gc_set_clip_origin (fg_gc, 0, 0); gdk_gc_set_clip_origin (ctree->lines_gc, 0, 0); gdk_gc_set_clip_rectangle (fg_gc, rect); gdk_gc_set_clip_rectangle (ctree->lines_gc, rect); gdk_gc_set_clip_origin (fg_gc, 0, 0); gdk_gc_set_clip_rectangle (fg_gc, rect); yoffset = (clip_rectangle.height - PM_SIZE) / 2; xoffset = (ctree->tree_indent - PM_SIZE) / 2; ycenter = clip_rectangle.y + (clip_rectangle.height / 2); xcenter = xdest - (ctree->tree_indent / 2); if (ctree->draw_lines) { if (ctree->line_style == GTK_CTREE_LINES_DOTTED) { offset_x += abs((clip_rectangle.x + clist->hoffset) % 2); offset_y = abs((clip_rectangle.y + clist->voffset) % 2); } gdk_draw_line (clist->clist_window, ctree->lines_gc, xcenter, clip_rectangle.y + offset_y, xcenter, (((GtkCTreeRow *)clist_row)->sibling) ? rect->y + rect->height : ycenter); gdk_draw_line (clist->clist_window, ctree->lines_gc, xcenter - offset_x, ycenter, xcenter - PM_SIZE / 2 - 2, ycenter); } if (((GtkCTreeRow *)clist_row)->children) { GdkGC *cgc; GdkGC *tgc; if (clist_row->state == GTK_STATE_SELECTED) { if (clist_row->fg_set) tgc = clist->fg_gc; else tgc = widget->style->fg_gc[GTK_STATE_NORMAL]; cgc = tgc; } else { cgc = GTK_WIDGET(clist)->style->fg_gc[GTK_STATE_SELECTED]; tgc = fg_gc; } gdk_gc_set_clip_rectangle (cgc, rect); gdk_draw_rectangle (clist->clist_window, GTK_WIDGET(clist)->style-> fg_gc[GTK_STATE_SELECTED], TRUE, xdest - xoffset - PM_SIZE, clip_rectangle.y + yoffset, PM_SIZE, PM_SIZE); gdk_draw_rectangle (clist->clist_window, tgc, FALSE, xdest - xoffset - PM_SIZE, clip_rectangle.y + yoffset, PM_SIZE, PM_SIZE); gdk_draw_line (clist->clist_window, tgc, xdest - xoffset - 2, ycenter, xdest - xoffset - PM_SIZE + 2, ycenter); if (!((GtkCTreeRow *)clist_row)->expanded) { gdk_draw_line (clist->clist_window, tgc, xcenter, clip_rectangle.y + yoffset + 2, xcenter, clip_rectangle.y + yoffset + PM_SIZE - 2); } gdk_gc_set_clip_rectangle (cgc, NULL); } work = ((GtkCTreeRow *)clist_row)->parent; while (work) { xcenter += ctree->tree_indent; if (ctree->draw_lines && GTK_CTREE_ROW(work)->sibling) gdk_draw_line (clist->clist_window, ctree->lines_gc, xcenter, clip_rectangle.y - offset_y, xcenter, rect->y + rect->height); work = GTK_CTREE_ROW (work)->parent; } gdk_gc_set_clip_rectangle (ctree->lines_gc, NULL); xdest -= (ctree->tree_indent + pixmap_width + clist_row->cell[i].horizontal); ydest = (clip_rectangle.y + (clip_rectangle.height / 2)) - height / 2 + clist_row->cell[i].vertical; if (pixmap_width && xdest + pixmap_width >= rect->x && xdest <= rect->x + rect->width && xdest >= clip_rectangle.x) { gdk_gc_set_clip_mask (fg_gc, GTK_CELL_PIXTEXT (clist_row->cell[i])->mask); gdk_gc_set_clip_origin (fg_gc, xdest, ydest); gdk_draw_pixmap (clist->clist_window, fg_gc, GTK_CELL_PIXTEXT (clist_row->cell[i])->pixmap, xsrc, ysrc, xdest, ydest, pixmap_width, height); } if (string_width) { gint delta; xdest -= (GTK_CELL_PIXTEXT (clist_row->cell[i])->spacing + string_width); delta = CELL_SPACING - (rect->y - clip_rectangle.y); if (delta > 0) { rect->y += delta; rect->height -= delta; } gdk_gc_set_clip_rectangle (fg_gc, rect); gdk_draw_string (clist->clist_window, widget->style->font, fg_gc, xdest, row_rectangle.y + clist->row_center_offset + clist_row->cell[i].vertical, GTK_CELL_PIXTEXT (clist_row->cell[i])->text); gdk_gc_set_clip_rectangle (fg_gc, NULL); } } else { switch (clist_row->cell[i].type) { case GTK_CELL_EMPTY: continue; break; case GTK_CELL_TEXT: gdk_gc_set_clip_rectangle (fg_gc, rect); gdk_draw_string (clist->clist_window, widget->style->font, fg_gc, offset + clist_row->cell[i].horizontal, row_rectangle.y + clist->row_center_offset + clist_row->cell[i].vertical, GTK_CELL_TEXT (clist_row->cell[i])->text); gdk_gc_set_clip_rectangle (fg_gc, NULL); break; case GTK_CELL_PIXMAP: xsrc = 0; ysrc = 0; xdest = offset + clist_row->cell[i].horizontal; ydest = (clip_rectangle.y + (clip_rectangle.height / 2)) - height / 2 + clist_row->cell[i].vertical; if (GTK_CELL_PIXMAP (clist_row->cell[i])->mask) { gdk_gc_set_clip_mask (fg_gc, GTK_CELL_PIXMAP (clist_row->cell[i])->mask); gdk_gc_set_clip_origin (fg_gc, xdest, ydest); } gdk_draw_pixmap (clist->clist_window, fg_gc, GTK_CELL_PIXMAP (clist_row->cell[i])->pixmap, xsrc, ysrc, xdest, ydest, pixmap_width, height); if (GTK_CELL_PIXMAP (clist_row->cell[i])->mask) { gdk_gc_set_clip_origin (fg_gc, 0, 0); gdk_gc_set_clip_mask (fg_gc, NULL); } break; case GTK_CELL_PIXTEXT: /* draw the pixmap */ xsrc = 0; ysrc = 0; xdest = offset + clist_row->cell[i].horizontal; ydest = (clip_rectangle.y + (clip_rectangle.height / 2)) - height / 2 + clist_row->cell[i].vertical; if (GTK_CELL_PIXTEXT (clist_row->cell[i])->mask) { gdk_gc_set_clip_mask (fg_gc, GTK_CELL_PIXTEXT (clist_row->cell[i])->mask); gdk_gc_set_clip_origin (fg_gc, xdest, ydest); } gdk_draw_pixmap (clist->clist_window, fg_gc, GTK_CELL_PIXTEXT (clist_row->cell[i])->pixmap, xsrc, ysrc, xdest, ydest, pixmap_width, height); gdk_gc_set_clip_origin (fg_gc, 0, 0); xdest += pixmap_width + GTK_CELL_PIXTEXT (clist_row->cell[i])->spacing; /* draw the string */ gdk_gc_set_clip_rectangle (fg_gc, rect); gdk_draw_string (clist->clist_window, widget->style->font, fg_gc, xdest, row_rectangle.y + clist->row_center_offset + clist_row->cell[i].vertical, GTK_CELL_PIXTEXT (clist_row->cell[i])->text); gdk_gc_set_clip_rectangle (fg_gc, NULL); break; case GTK_CELL_WIDGET: /* unimplemented */ continue; break; default: continue; break; } } } } static void tree_draw_row (GtkCTree *ctree, GList *row) { GtkCList *clist; clist = GTK_CLIST (ctree); if (!GTK_CLIST_FROZEN (clist) && gtk_ctree_is_visible (ctree, row)) { GList *work; gint num = 0; work = clist->row_list; while (work != row) { work = work->next; num++; } if (gtk_clist_row_is_visible (clist, num) != GTK_VISIBILITY_NONE) (GTK_CLIST_CLASS (GTK_OBJECT (clist)->klass)->draw_row) (clist, NULL, num, &(GTK_CTREE_ROW (row)->row)); } } static GList * gtk_ctree_last_visible (GtkCTree *ctree, GList *list) { GList *sib; if (!list) return NULL; sib = GTK_CTREE_ROW (list)->children; if (!sib || !GTK_CTREE_ROW (list)->expanded) return list; while (GTK_CTREE_ROW (sib)->sibling) sib = GTK_CTREE_ROW (sib)->sibling; return gtk_ctree_last_visible (ctree, sib); } static void gtk_ctree_link (GtkCTree *ctree, GList *child, GList *parent, GList *sibling) { GtkCList *clist; GList *list_end; gint visible = TRUE; gint rows = 0; g_return_if_fail (!sibling || GTK_CTREE_ROW (sibling)->parent == parent); g_return_if_fail (child != NULL); g_return_if_fail (sibling != child); g_return_if_fail (child != parent); clist = GTK_CLIST (ctree); for (rows = 1, list_end = child; list_end->next; list_end = list_end->next) rows++; GTK_CTREE_ROW (child)->parent = parent; GTK_CTREE_ROW (child)->sibling = sibling; if (parent) { if ((visible = gtk_ctree_is_visible (ctree, parent)) && GTK_CTREE_ROW (parent)->expanded) clist->rows += rows; } else clist->rows += rows; if (sibling) { GList *work; if (parent) work = GTK_CTREE_ROW (parent)->children; else work = clist->row_list; if (work != sibling) { while (GTK_CTREE_ROW (work)->sibling != sibling) work = GTK_CTREE_ROW (work)->sibling; GTK_CTREE_ROW (work)->sibling = child; } if (sibling == clist->row_list) clist->row_list = child; if (sibling->prev && sibling->prev->next == sibling) sibling->prev->next = child; child->prev = sibling->prev; list_end->next = sibling; sibling->prev = list_end; if (parent && GTK_CTREE_ROW (parent)->children == sibling) GTK_CTREE_ROW (parent)->children = child; } else { GList *work; if (parent) work = GTK_CTREE_ROW (parent)->children; else work = clist->row_list; if (work) { /* find sibling */ while (GTK_CTREE_ROW (work)->sibling) work = GTK_CTREE_ROW (work)->sibling; GTK_CTREE_ROW (work)->sibling = child; /* find last visible child of sibling */ work = gtk_ctree_last_visible (ctree, work); list_end->next = work->next; if (work->next) work->next->prev = list_end; work->next = child; child->prev = work; } else { if (parent) { GTK_CTREE_ROW (parent)->children = child; child->prev = parent; if (GTK_CTREE_ROW (parent)->expanded) { list_end->next = parent->next; if (parent->next) parent->next->prev = list_end; parent->next = child; } else list_end->next = NULL; } else { clist->row_list = child; child->prev = NULL; list_end->next = NULL; } } } gtk_ctree_pre_recursive (ctree, child, tree_update_level, NULL); if (clist->row_list_end == NULL || clist->row_list_end->next == child) clist->row_list_end = list_end; if (!GTK_CLIST_FROZEN (clist) && visible) gtk_clist_thaw (clist); } static void gtk_ctree_unlink (GtkCTree *ctree, GList *child) { GtkCList *clist; gint rows; gint level; gint visible; GList *work; GList *parent; g_return_if_fail (ctree != NULL); g_return_if_fail (GTK_IS_CTREE (ctree)); g_return_if_fail (child != NULL); clist = GTK_CLIST (ctree); visible = gtk_ctree_is_visible (ctree, child); /* clist->row_list_end unlinked ? */ if (visible && (child->next == NULL || (GTK_CTREE_ROW (child)->children && gtk_ctree_is_ancestor (ctree, child, clist->row_list_end)))) clist->row_list_end = child->prev; /* update list */ rows = 0; level = GTK_CTREE_ROW (child)->level; work = child->next; while (work && GTK_CTREE_ROW (work)->level > level) { work = work->next; rows++; } if (work) { work->prev->next = NULL; work->prev = child->prev; } if (child->prev && child->prev->next == child) child->prev->next = work; /* update tree */ parent = GTK_CTREE_ROW (child)->parent; if (parent) { if (GTK_CTREE_ROW (parent)->children == child) { GTK_CTREE_ROW (parent)->children = GTK_CTREE_ROW (child)->sibling; if (!GTK_CTREE_ROW (parent)->children && GTK_CTREE_ROW (parent)->pixmap_closed) { GTK_CTREE_ROW (parent)->expanded = FALSE; GTK_CELL_PIXTEXT (GTK_CTREE_ROW(parent)->row.cell[ctree->tree_column])->pixmap = GTK_CTREE_ROW (parent)->pixmap_closed; GTK_CELL_PIXTEXT (GTK_CTREE_ROW (parent)->row.cell[ctree->tree_column])->mask = GTK_CTREE_ROW (parent)->mask_closed; } } else { GList *sibling; sibling = GTK_CTREE_ROW (parent)->children; while (GTK_CTREE_ROW (sibling)->sibling != child) sibling = GTK_CTREE_ROW (sibling)->sibling; GTK_CTREE_ROW (sibling)->sibling = GTK_CTREE_ROW (child)->sibling; } } else { if (clist->row_list == child) clist->row_list = GTK_CTREE_ROW (child)->sibling; else { GList *sibling; sibling = clist->row_list; while (GTK_CTREE_ROW (sibling)->sibling != child) sibling = GTK_CTREE_ROW (sibling)->sibling; GTK_CTREE_ROW (sibling)->sibling = GTK_CTREE_ROW (child)->sibling; } } if (visible) { clist->rows -= (rows + 1); if (!GTK_CLIST_FROZEN (clist)) gtk_clist_thaw (clist); } } static void real_tree_move (GtkCTree *ctree, GList *child, GList *new_parent, GList *new_sibling) { GtkCList *clist; GList *work; gboolean thaw = FALSE; g_return_if_fail (ctree != NULL); g_return_if_fail (child != NULL); g_return_if_fail (!new_sibling || GTK_CTREE_ROW (new_sibling)->parent == new_parent); if (new_parent && GTK_CTREE_ROW (new_parent)->is_leaf) return; /* new_parent != child of child */ for (work = new_parent; work; work = GTK_CTREE_ROW (work)->parent) if (work == child) return; clist = GTK_CLIST (ctree); if (ctree->auto_sort) { if (new_parent == GTK_CTREE_ROW (child)->parent) return; if (new_parent) new_sibling = GTK_CTREE_ROW (new_parent)->children; else new_sibling = clist->row_list; while (new_sibling && ctree->node_compare (ctree, child, new_sibling) > 0) new_sibling = GTK_CTREE_ROW (new_sibling)->sibling; } if (new_parent == GTK_CTREE_ROW (child)->parent && new_sibling == GTK_CTREE_ROW (child)->sibling) return; if (!GTK_CLIST_FROZEN (clist)) { gtk_clist_freeze (clist); thaw = TRUE; } gtk_ctree_unlink (ctree, child); gtk_ctree_link (ctree, child, new_parent, new_sibling); if (thaw) gtk_clist_thaw (clist); } static void real_tree_expand (GtkCTree *ctree, GList *list) { GList *work; gint level; if (!list || GTK_CTREE_ROW (list)->expanded) return; GTK_CTREE_ROW (list)->expanded = TRUE; level = GTK_CTREE_ROW (list)->level; if (GTK_CTREE_ROW (list)->pixmap_opened) { GTK_CELL_PIXTEXT (GTK_CTREE_ROW (list)->row.cell[ctree->tree_column])->pixmap = GTK_CTREE_ROW (list)->pixmap_opened; GTK_CELL_PIXTEXT (GTK_CTREE_ROW (list)->row.cell[ctree->tree_column])->mask = GTK_CTREE_ROW (list)->mask_opened; } work = GTK_CTREE_ROW (list)->children; if (work) { gint tmp = 0; while (work->next) { work = work->next; tmp++; } work->next = list->next; if (list->next) list->next->prev = work; else GTK_CLIST (ctree)->row_list_end = work; list->next = GTK_CTREE_ROW (list)->children; if (gtk_ctree_is_visible (ctree, list)) { GTK_CLIST (ctree)->rows += tmp + 1; if (!GTK_CLIST_FROZEN (ctree)) gtk_clist_thaw (GTK_CLIST (ctree)); } } } static void real_tree_collapse (GtkCTree *ctree, GList *list) { GList *work; gint level; if (!list || !GTK_CTREE_ROW (list)->expanded) return; GTK_CTREE_ROW (list)->expanded = FALSE; level = GTK_CTREE_ROW (list)->level; if (GTK_CTREE_ROW (list)->pixmap_closed) { GTK_CELL_PIXTEXT (GTK_CTREE_ROW (list)->row.cell[ctree->tree_column])->pixmap = GTK_CTREE_ROW (list)->pixmap_closed; GTK_CELL_PIXTEXT (GTK_CTREE_ROW (list)->row.cell[ctree->tree_column])->mask = GTK_CTREE_ROW (list)->mask_closed; } work = GTK_CTREE_ROW (list)->children; if (work) { gint tmp = 0; while (work && GTK_CTREE_ROW (work)->level > level) { work = work->next; tmp++; } if (work) { list->next = work; work->prev->next = NULL; work->prev = list; } else { list->next = NULL; GTK_CLIST (ctree)->row_list_end = list; } if (gtk_ctree_is_visible (ctree, list)) { GTK_CLIST (ctree)->rows -= tmp; if (!GTK_CLIST_FROZEN (ctree)) gtk_clist_thaw (GTK_CLIST (ctree)); } } } static void cell_set_text (GtkCList *clist, GtkCListRow *clist_row, gint column, gchar *text) { cell_empty (clist, clist_row, column); if (text) { clist_row->cell[column].type = GTK_CELL_TEXT; GTK_CELL_TEXT (clist_row->cell[column])->text = g_strdup (text); } } static void cell_set_pixmap (GtkCList *clist, GtkCListRow *clist_row, gint column, GdkPixmap *pixmap, GdkBitmap *mask) { cell_empty (clist, clist_row, column); if (pixmap) { clist_row->cell[column].type = GTK_CELL_PIXMAP; GTK_CELL_PIXMAP (clist_row->cell[column])->pixmap = pixmap; GTK_CELL_PIXMAP (clist_row->cell[column])->mask = mask; } } static void cell_set_pixtext (GtkCList *clist, GtkCListRow *clist_row, gint column, gchar *text, guint8 spacing, GdkPixmap *pixmap, GdkBitmap *mask) { cell_empty (clist, clist_row, column); if (text && pixmap) { clist_row->cell[column].type = GTK_CELL_PIXTEXT; GTK_CELL_PIXTEXT (clist_row->cell[column])->text = g_strdup (text); GTK_CELL_PIXTEXT (clist_row->cell[column])->spacing = spacing; GTK_CELL_PIXTEXT (clist_row->cell[column])->pixmap = pixmap; GTK_CELL_PIXTEXT (clist_row->cell[column])->mask = mask; } } static void set_node_info (GtkCTree *ctree, GList *node, gchar *text, guint8 spacing, GdkPixmap *pixmap_closed, GdkBitmap *mask_closed, GdkPixmap *pixmap_opened, GdkBitmap *mask_opened, gboolean is_leaf, gboolean expanded) { GtkCellPixText *tree_cell; if (GTK_CTREE_ROW (node)->pixmap_opened) { gdk_pixmap_unref (GTK_CTREE_ROW (node)->pixmap_opened); if (GTK_CTREE_ROW (node)->mask_opened) gdk_bitmap_unref (GTK_CTREE_ROW (node)->mask_opened); } if (GTK_CTREE_ROW (node)->pixmap_closed) { gdk_pixmap_unref (GTK_CTREE_ROW (node)->pixmap_closed); if (GTK_CTREE_ROW (node)->mask_closed) gdk_bitmap_unref (GTK_CTREE_ROW (node)->mask_closed); } GTK_CTREE_ROW (node)->pixmap_opened = NULL; GTK_CTREE_ROW (node)->mask_opened = NULL; GTK_CTREE_ROW (node)->pixmap_closed = NULL; GTK_CTREE_ROW (node)->mask_closed = NULL; if (pixmap_closed) { GTK_CTREE_ROW (node)->pixmap_closed = gdk_pixmap_ref (pixmap_closed); if (mask_closed) GTK_CTREE_ROW (node)->mask_closed = gdk_bitmap_ref (mask_closed); } if (pixmap_opened) { GTK_CTREE_ROW (node)->pixmap_opened = gdk_pixmap_ref (pixmap_opened); if (mask_opened) GTK_CTREE_ROW (node)->mask_opened = gdk_bitmap_ref (mask_opened); } GTK_CTREE_ROW (node)->is_leaf = is_leaf; GTK_CTREE_ROW (node)->expanded = (is_leaf) ? FALSE : expanded; GTK_CTREE_ROW (node)->row.cell[ctree->tree_column].type = GTK_CELL_PIXTEXT; tree_cell = GTK_CELL_PIXTEXT (GTK_CTREE_ROW (node)->row.cell[ctree->tree_column]); if (tree_cell->text) g_free (tree_cell->text); tree_cell->text = g_strdup (text); tree_cell->spacing = spacing; if (expanded) { tree_cell->pixmap = pixmap_opened; tree_cell->mask = mask_opened; } else { tree_cell->pixmap = pixmap_closed; tree_cell->mask = mask_closed; } } static void tree_delete (GtkCTree *ctree, GList *node, gpointer data) { GtkCList *clist; clist = GTK_CLIST (ctree); if (GTK_CTREE_ROW (node)->row.state == GTK_STATE_SELECTED) { GList *work; work = g_list_find (clist->selection, node); if (work) { if (ctree->selection_last && ctree->selection_last == work) ctree->selection_last = ctree->selection_last->prev; clist->selection = g_list_remove (clist->selection, node); } } row_delete (ctree, GTK_CTREE_ROW (node)); g_list_free_1 (node); } static void tree_delete_raw (GtkCTree *ctree, GList *node, gpointer data) { row_delete (ctree, GTK_CTREE_ROW (node)); g_list_free_1 (node); } static void tree_update_level (GtkCTree *ctree, GList *node, gpointer data) { if (!node) return; if (GTK_CTREE_ROW (node)->parent) GTK_CTREE_ROW (node)->level = GTK_CTREE_ROW (GTK_CTREE_ROW (node)->parent)->level + 1; else GTK_CTREE_ROW (node)->level = 1; } static void tree_select (GtkCTree *ctree, GList *node, gpointer data) { gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_SELECT_ROW], node, data); } static void tree_unselect (GtkCTree *ctree, GList *node, gpointer data) { gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_UNSELECT_ROW], node, data); } static void tree_expand (GtkCTree *ctree, GList *node, gpointer data) { if (node && !GTK_CTREE_ROW (node)->expanded) gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_EXPAND], node, data); } static void tree_collapse (GtkCTree *ctree, GList *node, gpointer data) { if (node && GTK_CTREE_ROW (node)->expanded) gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_COLLAPSE], node, data); } static GtkCTreeRow * row_new (GtkCTree *ctree) { GtkCList *clist; GtkCTreeRow *ctree_row; int i; clist = GTK_CLIST (ctree); ctree_row = g_chunk_new (GtkCTreeRow, clist->row_mem_chunk); ctree_row->row.cell = g_chunk_new (GtkCell, clist->cell_mem_chunk); for (i = 0; i < clist->columns; i++) { ctree_row->row.cell[i].type = GTK_CELL_EMPTY; ctree_row->row.cell[i].vertical = 0; ctree_row->row.cell[i].horizontal = 0; } GTK_CELL_PIXTEXT (ctree_row->row.cell[ctree->tree_column])->text = NULL; ctree_row->row.fg_set = FALSE; ctree_row->row.bg_set = FALSE; ctree_row->row.state = GTK_STATE_NORMAL; ctree_row->row.data = NULL; ctree_row->row.destroy = NULL; ctree_row->level = 0; ctree_row->expanded = FALSE; ctree_row->parent = NULL; ctree_row->sibling = NULL; ctree_row->children = NULL; ctree_row->pixmap_closed = NULL; ctree_row->mask_closed = NULL; ctree_row->pixmap_opened = NULL; ctree_row->mask_opened = NULL; return ctree_row; } static void row_delete (GtkCTree *ctree, GtkCTreeRow *ctree_row) { GtkCList *clist; gint i; clist = GTK_CLIST (ctree); for (i = 0; i < clist->columns; i++) cell_empty (clist, &(ctree_row->row), i); if (ctree_row->pixmap_closed) { gdk_pixmap_unref (ctree_row->pixmap_closed); if (ctree_row->mask_closed) gdk_bitmap_unref (ctree_row->mask_closed); } if (ctree_row->pixmap_opened) { gdk_pixmap_unref (ctree_row->pixmap_opened); if (ctree_row->mask_opened) gdk_bitmap_unref (ctree_row->mask_opened); } if (ctree_row->row.destroy) ctree_row->row.destroy (ctree_row->row.data); g_mem_chunk_free (clist->cell_mem_chunk, ctree_row->row.cell); g_mem_chunk_free (clist->row_mem_chunk, ctree_row); } static void cell_empty (GtkCList *clist, GtkCListRow *clist_row, gint column) { switch (clist_row->cell[column].type) { case GTK_CELL_EMPTY: break; case GTK_CELL_TEXT: g_free (GTK_CELL_TEXT (clist_row->cell[column])->text); break; case GTK_CELL_PIXMAP: gdk_pixmap_unref (GTK_CELL_PIXMAP (clist_row->cell[column])->pixmap); if (GTK_CELL_PIXMAP (clist_row->cell[column])->mask) gdk_bitmap_unref (GTK_CELL_PIXMAP (clist_row->cell[column])->mask); break; case GTK_CELL_PIXTEXT: if (GTK_CTREE (clist)->tree_column == column) { if (GTK_CELL_PIXTEXT (clist_row->cell[column])->text) g_free (GTK_CELL_PIXTEXT (clist_row->cell[column])->text); break; } g_free (GTK_CELL_PIXTEXT (clist_row->cell[column])->text); gdk_pixmap_unref (GTK_CELL_PIXTEXT (clist_row->cell[column])->pixmap); if (GTK_CELL_PIXTEXT (clist_row->cell[column])->mask) gdk_bitmap_unref (GTK_CELL_PIXTEXT (clist_row->cell[column])->mask); break; case GTK_CELL_WIDGET: /* unimplimented */ break; default: break; } clist_row->cell[column].type = GTK_CELL_EMPTY; } static void real_select_row (GtkCTree *ctree, GList *row, gint column) { GtkCList *clist; GList *selection; g_return_if_fail (ctree != NULL); if (!row) return; clist = GTK_CLIST (ctree); if (GTK_CTREE_ROW (row)->row.state == GTK_STATE_SELECTED) return; if (clist->selection_mode == GTK_SELECTION_SINGLE || clist->selection_mode == GTK_SELECTION_BROWSE) { GList *list; GList *sel_row; list = clist->selection; while (list) { sel_row = list->data; list = list->next; if (row != sel_row && GTK_CTREE_ROW (sel_row)->row.state == GTK_STATE_SELECTED) gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_UNSELECT_ROW], sel_row, column); } } GTK_CTREE_ROW (row)->row.state = GTK_STATE_SELECTED; selection = g_list_alloc (); selection->data = row; if (ctree->selection_last) { ctree->selection_last->next = selection; selection->prev = ctree->selection_last; } else clist->selection = selection; ctree->selection_last = selection; tree_draw_row (ctree, row); } static void real_unselect_row (GtkCTree *ctree, GList *row, gint column) { GtkCList *clist; g_return_if_fail (ctree != NULL); if (!row) return; if (GTK_CTREE_ROW (row)->row.state != GTK_STATE_SELECTED) return; clist = GTK_CLIST (ctree); if (ctree->selection_last && ctree->selection_last->data == row) ctree->selection_last = ctree->selection_last->prev; clist->selection = g_list_remove (clist->selection, row); GTK_CTREE_ROW (row)->row.state = GTK_STATE_NORMAL; tree_draw_row (ctree, row); } static void tree_toggle_row (GtkCTree *ctree, GList *row, gint column) { switch (GTK_CLIST (ctree)->selection_mode) { case GTK_SELECTION_SINGLE: case GTK_SELECTION_MULTIPLE: if (row && GTK_CTREE_ROW (row)->row.state == GTK_STATE_SELECTED) gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_UNSELECT_ROW], row, column); else gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_SELECT_ROW], row, column); break; case GTK_SELECTION_BROWSE: if (row && GTK_CTREE_ROW (row)->row.state == GTK_STATE_NORMAL) gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_SELECT_ROW], row, column); break; case GTK_SELECTION_EXTENDED: break; default: break; } } static gboolean ctree_is_hot_spot (GtkCTree *ctree, GList *node, gint row, gint x, gint y) { GtkCTreeRow *tree_row; GtkCList *clist; GtkCellPixText *cell; gint xl; gint yu; g_return_val_if_fail (ctree != NULL, FALSE); g_return_val_if_fail (GTK_IS_CTREE (ctree), FALSE); g_return_val_if_fail (node != NULL, FALSE); tree_row = GTK_CTREE_ROW (node); clist = GTK_CLIST (ctree); cell = GTK_CELL_PIXTEXT(tree_row->row.cell[ctree->tree_column]); yu = ROW_TOP_YPIXEL (clist, row) + (clist->row_height - PM_SIZE) / 2; if (clist->column[ctree->tree_column].justification == GTK_JUSTIFY_RIGHT) { xl = clist->column[ctree->tree_column].area.x + clist->column[ctree->tree_column].area.width + clist->hoffset /*+ cell->horizontal +*/ - (tree_row->level - 1) * ctree->tree_indent - (ctree->tree_indent - PM_SIZE) / 2 - PM_SIZE; } else { xl = clist->column[ctree->tree_column].area.x + clist->hoffset + cell->horizontal + (tree_row->level - 1) * ctree->tree_indent + (ctree->tree_indent - PM_SIZE) / 2; } if (x >= xl && x <= xl + PM_SIZE && y >= yu && y <= yu + PM_SIZE) return TRUE; return FALSE; } static gint default_compare (GtkCTree *ctree, const GList *list1, const GList *list2) { char *text1; char *text2; text1 = GTK_CELL_PIXTEXT (GTK_CTREE_ROW (list1)->row.cell[ctree->tree_column])->text; text2 = GTK_CELL_PIXTEXT (GTK_CTREE_ROW (list2)->row.cell[ctree->tree_column])->text; return strcmp (text1, text2); } /*********************************************************** *********************************************************** *** Public interface *** *********************************************************** ***********************************************************/ /*********************************************************** * Creation, insertion, deletion * ***********************************************************/ void gtk_ctree_construct (GtkCTree *ctree, gint columns, gint tree_column, gchar *titles[]) { GtkCList *clist; g_return_if_fail (ctree != NULL); g_return_if_fail (GTK_IS_CTREE (ctree)); g_return_if_fail (GTK_CLIST_CONSTRUCTED (ctree) == FALSE); clist = GTK_CLIST (ctree); clist->row_mem_chunk = g_mem_chunk_new ("ctree row mem chunk", sizeof (GtkCTreeRow), sizeof (GtkCTreeRow) * CLIST_OPTIMUM_SIZE, G_ALLOC_AND_FREE); clist->cell_mem_chunk = g_mem_chunk_new ("ctree cell mem chunk", sizeof (GtkCell) * columns, sizeof (GtkCell) * columns * CLIST_OPTIMUM_SIZE, G_ALLOC_AND_FREE); ctree->tree_column = tree_column; gtk_clist_construct (clist, columns, titles); } GtkWidget * gtk_ctree_new_with_titles (gint columns, gint tree_column, gchar *titles[]) { GtkWidget *widget; g_return_val_if_fail (columns > 0, NULL); g_return_val_if_fail (tree_column >= 0 && tree_column < columns, NULL); widget = gtk_type_new (gtk_ctree_get_type ()); gtk_ctree_construct (GTK_CTREE (widget), columns, tree_column, titles); return widget; } GtkWidget * gtk_ctree_new (gint columns, gint tree_column) { return gtk_ctree_new_with_titles (columns, tree_column, NULL); } GList * gtk_ctree_insert (GtkCTree *ctree, GList *parent, GList *sibling, gchar *text[], guint8 spacing, GdkPixmap *pixmap_closed, GdkBitmap *mask_closed, GdkPixmap *pixmap_opened, GdkBitmap *mask_opened, gboolean is_leaf, gboolean expanded) { GtkCList *clist; GtkCTreeRow *new_row; GList *node; gint i; g_return_val_if_fail (ctree != NULL, NULL); g_return_val_if_fail (!sibling || GTK_CTREE_ROW (sibling)->parent == parent, NULL); if (parent && GTK_CTREE_ROW (parent)->is_leaf) return NULL; clist = GTK_CLIST (ctree); /* create the row */ new_row = row_new (ctree); node = g_list_alloc (); node->data = new_row; if (text) for (i = 0; i < clist->columns; i++) if (text[i] && i != ctree->tree_column) cell_set_text (clist, &(new_row->row), i, text[i]); set_node_info (ctree, node, text[ctree->tree_column], spacing, pixmap_closed, mask_closed, pixmap_opened, mask_opened, is_leaf, expanded); if (ctree->auto_sort) { if (parent) sibling = GTK_CTREE_ROW (parent)->children; else sibling = clist->row_list; while (sibling && ctree->node_compare (ctree, node, sibling) > 0) sibling = GTK_CTREE_ROW (sibling)->sibling; } gtk_ctree_link (ctree, node, parent, sibling); return node; } void gtk_ctree_remove (GtkCTree *ctree, GList *node) { GtkCList *clist; gboolean thaw = FALSE; g_return_if_fail (ctree != NULL); g_return_if_fail (GTK_IS_CTREE (ctree)); clist = GTK_CLIST (ctree); if (!GTK_CLIST_FROZEN (clist)) { gtk_clist_freeze (clist); thaw = TRUE; } if (node) { gtk_ctree_unlink (ctree, node); gtk_ctree_post_recursive (ctree, node, GTK_CTREE_FUNC (tree_delete), NULL); } else { GList *work; GList *ptr; work = clist->row_list; clist->row_list = NULL; clist->row_list_end = NULL; clist->rows = 0; while (work) { ptr = work; work = GTK_CTREE_ROW (work)->sibling; gtk_ctree_post_recursive (ctree, ptr, GTK_CTREE_FUNC (tree_delete), NULL); } } if (thaw) gtk_clist_thaw (clist); } void gtk_ctree_clear (GtkCTree *ctree) { GtkCList *clist; GList *work; GList *ptr; g_return_if_fail (ctree != NULL); g_return_if_fail (GTK_IS_CTREE (ctree)); clist = GTK_CLIST (ctree); /* free up the selection list */ g_list_free (clist->selection); clist->selection = NULL; ctree->selection_last = NULL; /* remove all the rows */ work = clist->row_list; clist->row_list = NULL; clist->row_list_end = NULL; clist->rows = 0; while (work) { ptr = work; work = GTK_CTREE_ROW (work)->sibling; gtk_ctree_post_recursive (ctree, ptr, GTK_CTREE_FUNC (tree_delete_raw), NULL); } clist->voffset = 0; ctree->drag_row = -1; ctree->drag_rect = FALSE; ctree->in_drag = FALSE; ctree->drag_source = NULL; ctree->drag_target = NULL; ctree->drag_icon = NULL; /* zero-out the scrollbars */ if (clist->vscrollbar) { GTK_RANGE (clist->vscrollbar)->adjustment->value = 0.0; gtk_signal_emit_by_name (GTK_OBJECT (GTK_RANGE (clist->vscrollbar)->adjustment), "changed"); if (!GTK_CLIST_FROZEN (clist)) gtk_clist_thaw (clist); } } /*********************************************************** * Generic recursive functions, querying / finding tree * * information * ***********************************************************/ void gtk_ctree_post_recursive (GtkCTree *ctree, GList *node, GtkCTreeFunc func, gpointer data) { GList *work; GList *tmp; if (node) work = GTK_CTREE_ROW (node)->children; else work = GTK_CLIST (ctree)->row_list; while (work) { tmp = GTK_CTREE_ROW (work)->sibling; gtk_ctree_post_recursive (ctree, work, func, data); work = tmp; } (* func) (ctree, node, data); } void gtk_ctree_pre_recursive (GtkCTree *ctree, GList *node, GtkCTreeFunc func, gpointer data) { GList *work; GList *tmp; (* func) (ctree, node, data); if (node) work = GTK_CTREE_ROW (node)->children; else work = GTK_CLIST (ctree)->row_list; while (work) { tmp = GTK_CTREE_ROW (work)->sibling; gtk_ctree_pre_recursive (ctree, work, func, data); work = tmp; } } gint gtk_ctree_is_visible (GtkCTree *ctree, GList *node) { GtkCTreeRow *work; work = GTK_CTREE_ROW (node); while (work->parent && GTK_CTREE_ROW (work->parent)->expanded) work = GTK_CTREE_ROW (work->parent); if (!work->parent) return TRUE; return FALSE; } GList * gtk_ctree_last (GtkCTree *ctree, GList *node) { if (!node) return NULL; while (GTK_CTREE_ROW (node)->sibling) node = GTK_CTREE_ROW (node)->sibling; if (GTK_CTREE_ROW (node)->children) return gtk_ctree_last (ctree, GTK_CTREE_ROW (node)->children); return node; } gint gtk_ctree_find (GtkCTree *ctree, GList *node, GList *child) { while (node) { if (node == child) return TRUE; if (GTK_CTREE_ROW (node)->children) { if (gtk_ctree_find (ctree, GTK_CTREE_ROW (node)->children, child)) return TRUE; } node = GTK_CTREE_ROW (node)->sibling; } return FALSE; } gboolean gtk_ctree_is_ancestor (GtkCTree *ctree, GList *node, GList *child) { return gtk_ctree_find (ctree, GTK_CTREE_ROW (node)->children, child); } GList * gtk_ctree_find_by_row_data (GtkCTree *ctree, GList *node, gpointer data) { GList *work; while (node) { if (GTK_CTREE_ROW (node)->row.data == data) return node; if (GTK_CTREE_ROW (node)->children && (work = gtk_ctree_find_by_row_data (ctree, GTK_CTREE_ROW (node)->children, data))) return work; node = GTK_CTREE_ROW (node)->sibling; } return NULL; } gboolean gtk_ctree_is_hot_spot (GtkCTree *ctree, gint x, gint y) { GList *node; gint row; gint column; g_return_val_if_fail (ctree != NULL, FALSE); g_return_val_if_fail (GTK_IS_CTREE (ctree), FALSE); if (gtk_clist_get_selection_info (GTK_CLIST (ctree), x, y, &row, &column)) if ((node = g_list_nth (GTK_CLIST (ctree)->row_list, row))) return ctree_is_hot_spot (ctree, node, row, x, y); return FALSE; } /*********************************************************** * Tree signals : move, expand, collapse, (un)select * ***********************************************************/ void gtk_ctree_move (GtkCTree *ctree, GList *child, GList *new_parent, GList *new_sibling) { g_return_if_fail (ctree != NULL); g_return_if_fail (child != NULL); gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_MOVE], child, new_parent, new_sibling); } void gtk_ctree_expand (GtkCTree *ctree, GList *node) { g_return_if_fail (ctree != NULL); g_return_if_fail (node != NULL); gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_EXPAND], node); } void gtk_ctree_expand_recursive (GtkCTree *ctree, GList *node) { GtkCList *clist; gboolean thaw = FALSE; g_return_if_fail (ctree != NULL); clist = GTK_CLIST (ctree); if (node && !GTK_CTREE_ROW (node)->children) return; if (((node && gtk_ctree_is_visible (ctree, node)) || !node) && !GTK_CLIST_FROZEN (clist)) { gtk_clist_freeze (clist); thaw = TRUE; } gtk_ctree_post_recursive (ctree, node, GTK_CTREE_FUNC (tree_expand), NULL); if (thaw) gtk_clist_thaw (clist); } void gtk_ctree_collapse (GtkCTree *ctree, GList *node) { g_return_if_fail (ctree != NULL); g_return_if_fail (node != NULL); gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_COLLAPSE], node); } void gtk_ctree_collapse_recursive (GtkCTree *ctree, GList *node) { GtkCList *clist; gboolean thaw = FALSE; g_return_if_fail (ctree != NULL); clist = GTK_CLIST (ctree); if (node && !GTK_CTREE_ROW (node)->children) return; if (((node && gtk_ctree_is_visible (ctree, node)) || !node) && !GTK_CLIST_FROZEN (clist)) { gtk_clist_freeze (clist); thaw = TRUE; } gtk_ctree_post_recursive (ctree, node, GTK_CTREE_FUNC (tree_collapse), NULL); if (thaw) gtk_clist_thaw (clist); } void gtk_ctree_select (GtkCTree *ctree, GList *node) { g_return_if_fail (ctree != NULL); g_return_if_fail (node != NULL); gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_SELECT_ROW], node); } void gtk_ctree_unselect (GtkCTree *ctree, GList *node) { g_return_if_fail (ctree != NULL); g_return_if_fail (node != NULL); gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_UNSELECT_ROW], node); } void gtk_ctree_select_recursive (GtkCTree *ctree, GList *node) { gtk_ctree_real_select_recursive (ctree, node, TRUE); } void gtk_ctree_unselect_recursive (GtkCTree *ctree, GList *node) { gtk_ctree_real_select_recursive (ctree, node, FALSE); } void gtk_ctree_real_select_recursive (GtkCTree *ctree, GList *node, gint state) { GtkCList *clist; gboolean thaw = FALSE; g_return_if_fail (ctree != NULL); clist = GTK_CLIST (ctree); if (clist->selection_mode == GTK_SELECTION_EXTENDED || (state && clist->selection_mode != GTK_SELECTION_MULTIPLE) || (!state && clist->selection_mode == GTK_SELECTION_BROWSE)) return; if (((node && gtk_ctree_is_visible (ctree, node)) || !node) && !GTK_CLIST_FROZEN (clist)) { gtk_clist_freeze (clist); thaw = TRUE; } if (state) gtk_ctree_post_recursive (ctree, node, GTK_CTREE_FUNC (tree_select), NULL); else gtk_ctree_post_recursive (ctree, node, GTK_CTREE_FUNC (tree_unselect), NULL); if (thaw) gtk_clist_thaw (clist); } /*********************************************************** * Analogons of GtkCList functions * ***********************************************************/ void gtk_ctree_set_text (GtkCTree *ctree, GList *node, gint column, gchar *text) { g_return_if_fail (ctree != NULL); g_return_if_fail (GTK_IS_CTREE (ctree)); g_return_if_fail (node != NULL); g_return_if_fail (ctree->tree_column != column); if (column < 0 || column >= GTK_CLIST (ctree)->columns) return; cell_set_text (GTK_CLIST (ctree), &(GTK_CTREE_ROW(node)->row), column, text); tree_draw_row (ctree, node); } void gtk_ctree_set_pixmap (GtkCTree *ctree, GList *child, gint column, GdkPixmap *pixmap, GdkBitmap *mask) { g_return_if_fail (ctree != NULL); g_return_if_fail (GTK_IS_CTREE (ctree)); g_return_if_fail (child != NULL); g_return_if_fail (pixmap != NULL); g_return_if_fail (ctree->tree_column != column); if (column < 0 || column >= GTK_CLIST (ctree)->columns) return; gdk_pixmap_ref (pixmap); if (mask) gdk_pixmap_ref (mask); cell_set_pixmap (GTK_CLIST (ctree), &(GTK_CTREE_ROW (child)->row), column, pixmap, mask); tree_draw_row (ctree, child); } void gtk_ctree_set_pixtext (GtkCTree *ctree, GList *child, gint column, gchar *text, guint8 spacing, GdkPixmap *pixmap, GdkBitmap *mask) { g_return_if_fail (ctree != NULL); g_return_if_fail (GTK_IS_CTREE (ctree)); g_return_if_fail (child != NULL); g_return_if_fail (pixmap != NULL); g_return_if_fail (ctree->tree_column != column); if (column < 0 || column >= GTK_CLIST (ctree)->columns) return; gdk_pixmap_ref (pixmap); if (mask) gdk_pixmap_ref (mask); cell_set_pixtext (GTK_CLIST (ctree), &(GTK_CTREE_ROW (child)->row), column, text, spacing, pixmap, mask); tree_draw_row (ctree, child); } void gtk_ctree_set_node_info (GtkCTree *ctree, GList *node, gchar *text, guint8 spacing, GdkPixmap *pixmap_closed, GdkBitmap *mask_closed, GdkPixmap *pixmap_opened, GdkBitmap *mask_opened, gboolean is_leaf, gboolean expanded) { gboolean old_leaf; gboolean old_expanded; g_return_if_fail (ctree != NULL); g_return_if_fail (GTK_IS_CTREE (ctree)); g_return_if_fail (node != NULL); old_leaf = GTK_CTREE_ROW (node)->is_leaf; old_expanded = GTK_CTREE_ROW (node)->expanded; if (is_leaf && GTK_CTREE_ROW (node)->children) { GList *work; GList *ptr; work = GTK_CTREE_ROW (node)->children; while (work) { ptr = work; work = GTK_CTREE_ROW(work)->sibling; gtk_ctree_remove (ctree, ptr); } } set_node_info (ctree, node, text, spacing, pixmap_closed, mask_closed, pixmap_opened, mask_opened, is_leaf, old_expanded); if (!is_leaf && !old_leaf) { if (expanded && !old_expanded) gtk_ctree_expand (ctree, node); else if (!expanded && old_expanded) gtk_ctree_collapse (ctree, node); } GTK_CTREE_ROW (node)->expanded = expanded; tree_draw_row (ctree, node); } void gtk_ctree_set_shift (GtkCTree *ctree, GList *row, gint column, gint vertical, gint horizontal) { g_return_if_fail (ctree != NULL); g_return_if_fail (GTK_IS_CTREE (ctree)); g_return_if_fail (row != NULL); if (column < 0 || column >= GTK_CLIST (ctree)->columns) return; GTK_CTREE_ROW (row)->row.cell[column].vertical = vertical; GTK_CTREE_ROW (row)->row.cell[column].horizontal = horizontal; tree_draw_row (ctree, row); } GtkCellType gtk_ctree_get_cell_type (GtkCTree *ctree, GList *row, gint column) { g_return_val_if_fail (ctree != NULL, -1); g_return_val_if_fail (GTK_IS_CTREE (ctree), -1); g_return_val_if_fail (row != NULL, -1); if (column < 0 || column >= GTK_CLIST (ctree)->columns) return -1; return GTK_CTREE_ROW (row)->row.cell[column].type; } gint gtk_ctree_get_text (GtkCTree *ctree, GList *row, gint column, gchar **text) { g_return_val_if_fail (ctree != NULL, 0); g_return_val_if_fail (GTK_IS_CTREE (ctree), 0); g_return_val_if_fail (row != NULL, 0); if (column < 0 || column >= GTK_CLIST (ctree)->columns) return 0; if (GTK_CTREE_ROW (row)->row.cell[column].type != GTK_CELL_TEXT) return 0; if (text) *text = GTK_CELL_TEXT (GTK_CTREE_ROW (row)->row.cell[column])->text; return 1; } gint gtk_ctree_get_pixmap (GtkCTree *ctree, GList *row, gint column, GdkPixmap **pixmap, GdkBitmap **mask) { g_return_val_if_fail (ctree != NULL, 0); g_return_val_if_fail (GTK_IS_CTREE (ctree), 0); g_return_val_if_fail (row != NULL, 0); if (column < 0 || column >= GTK_CLIST (ctree)->columns) return 0; if (GTK_CTREE_ROW (row)->row.cell[column].type != GTK_CELL_PIXMAP) return 0; if (pixmap) { *pixmap = GTK_CELL_PIXMAP (GTK_CTREE_ROW(row)->row.cell[column])->pixmap; *mask = GTK_CELL_PIXMAP (GTK_CTREE_ROW (row)->row.cell[column])->mask; } return 1; } gint gtk_ctree_get_pixtext (GtkCTree *ctree, GList *row, gint column, gchar **text, guint8 *spacing, GdkPixmap **pixmap, GdkBitmap **mask) { g_return_val_if_fail (ctree != NULL, 0); g_return_val_if_fail (GTK_IS_CTREE (ctree), 0); g_return_val_if_fail (row != NULL, 0); if (column < 0 || column >= GTK_CLIST (ctree)->columns) return 0; if (GTK_CTREE_ROW (row)->row.cell[column].type != GTK_CELL_PIXTEXT) return 0; if (text) *text = GTK_CELL_PIXTEXT (GTK_CTREE_ROW (row)->row.cell[column])->text; if (spacing) *spacing = GTK_CELL_PIXTEXT (GTK_CTREE_ROW (row)->row.cell[column])->spacing; if (pixmap) *pixmap = GTK_CELL_PIXTEXT (GTK_CTREE_ROW (row)->row.cell[column])->pixmap; if (mask) *mask = GTK_CELL_PIXTEXT (GTK_CTREE_ROW (row)->row.cell[column])->mask; return 1; } void gtk_ctree_set_foreground (GtkCTree *ctree, GList *row, GdkColor *color) { g_return_if_fail (ctree != NULL); g_return_if_fail (GTK_IS_CTREE (ctree)); g_return_if_fail (row != NULL); if (color) { GTK_CTREE_ROW (row)->row.foreground = *color; GTK_CTREE_ROW (row)->row.fg_set = TRUE; } else GTK_CTREE_ROW (row)->row.fg_set = FALSE; tree_draw_row (ctree, row); } void gtk_ctree_set_background (GtkCTree *ctree, GList *row, GdkColor *color) { g_return_if_fail (ctree != NULL); g_return_if_fail (GTK_IS_CTREE (ctree)); g_return_if_fail (row != NULL); if (color) { GTK_CTREE_ROW (row)->row.background = *color; GTK_CTREE_ROW (row)->row.bg_set = TRUE; } else GTK_CTREE_ROW (row)->row.bg_set = FALSE; tree_draw_row (ctree, row); } void gtk_ctree_set_selection_mode (GtkCTree *ctree, GtkSelectionMode mode) { GtkCList *clist; GList *selection; GList *work; gboolean thaw = FALSE; g_return_if_fail (ctree != NULL); g_return_if_fail (GTK_IS_CTREE (ctree)); clist = GTK_CLIST (ctree); if (mode == clist->selection_mode) return; clist->selection_mode = mode; if (mode == GTK_SELECTION_MULTIPLE) return; selection = clist->selection; if (selection && mode == GTK_SELECTION_BROWSE) selection = selection->next; if (!selection) return; if (!GTK_CLIST_FROZEN (clist)) { gtk_clist_freeze (clist); thaw = TRUE; } while (selection) { work = selection->data; selection = selection->next; gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_UNSELECT_ROW], work); } if (thaw) gtk_clist_thaw (clist); } void gtk_ctree_set_row_data (GtkCTree *ctree, GList *list, gpointer data) { gtk_ctree_set_row_data_full (ctree, list, data, NULL); } void gtk_ctree_set_row_data_full (GtkCTree *ctree, GList *list, gpointer data, GtkDestroyNotify destroy) { g_return_if_fail (ctree != NULL); g_return_if_fail (GTK_IS_CTREE (ctree)); GTK_CTREE_ROW (list)->row.data = data; GTK_CTREE_ROW (list)->row.destroy = destroy; } gpointer gtk_ctree_get_row_data (GtkCTree *ctree, GList *list) { g_return_val_if_fail (ctree != NULL, NULL); g_return_val_if_fail (GTK_IS_CTREE (ctree), NULL); g_return_val_if_fail (list != NULL, NULL); return GTK_CTREE_ROW (list)->row.data; } /*********************************************************** * GtkCTree specific functions * ***********************************************************/ void gtk_ctree_set_indent (GtkCTree *ctree, gint indent) { g_return_if_fail (ctree != NULL); g_return_if_fail (GTK_IS_CTREE (ctree)); if (indent != ctree->tree_indent) { ctree->tree_indent = indent; if (GTK_WIDGET_DRAWABLE (GTK_WIDGET (ctree))) gtk_widget_queue_resize (GTK_WIDGET (ctree)); } } void gtk_ctree_set_reorderable (GtkCTree *ctree, gboolean reorderable) { g_return_if_fail (ctree != NULL); g_return_if_fail (GTK_IS_CTREE (ctree)); if (ctree->reorderable == (reorderable != 0)) return; ctree->reorderable = (reorderable != 0); if (GTK_WIDGET_REALIZED (ctree)) { if (ctree->reorderable) create_xor_gc (ctree); else gdk_gc_destroy (ctree->xor_gc); } } void gtk_ctree_set_use_drag_icons (GtkCTree *ctree, gboolean use_icons) { g_return_if_fail (ctree != NULL); g_return_if_fail (GTK_IS_CTREE (ctree)); if (ctree->use_icons == (use_icons != 0)) return; ctree->use_icons = (use_icons != 0); } void gtk_ctree_set_line_style (GtkCTree *ctree, GtkCTreeLineStyle line_style) { GdkGCPrivate *private; g_return_if_fail (ctree != NULL); g_return_if_fail (GTK_IS_CTREE (ctree)); if (line_style != ctree->line_style) { ctree->line_style = line_style; if (!GTK_WIDGET_REALIZED (ctree)) return; switch (line_style) { case GTK_CTREE_LINES_SOLID: ctree->draw_lines = TRUE; if (GTK_WIDGET_REALIZED (ctree)) gdk_gc_set_line_attributes (ctree->lines_gc, 1, GDK_LINE_SOLID, None, None); break; case GTK_CTREE_LINES_DOTTED: ctree->draw_lines = TRUE; if (GTK_WIDGET_REALIZED (ctree)) gdk_gc_set_line_attributes (ctree->lines_gc, 1, GDK_LINE_ON_OFF_DASH, None, None); private = (GdkGCPrivate *) ctree->lines_gc; XSetDashes (private->xdisplay, private->xgc, 0, "\1\1", 2); break; case GTK_CTREE_LINES_NONE: ctree->draw_lines = FALSE; break; default: return; } if (GTK_WIDGET_DRAWABLE (GTK_WIDGET (ctree))) gtk_widget_queue_resize (GTK_WIDGET (ctree)); } } /*********************************************************** * Tree sorting functions * ***********************************************************/ void gtk_ctree_set_auto_sort (GtkCTree *ctree, gboolean auto_sort) { g_return_if_fail (ctree != NULL); g_return_if_fail (GTK_IS_CTREE (ctree)); if (ctree->auto_sort == (auto_sort != 0)) return; ctree->auto_sort = (auto_sort != 0); if (auto_sort) gtk_ctree_sort_recursive (ctree, NULL); } void gtk_ctree_set_compare_func (GtkCTree *ctree, GtkCTreeCompareFunc cmp_func) { g_return_if_fail (ctree != NULL); g_return_if_fail (GTK_IS_CTREE (ctree)); if (cmp_func == NULL) ctree->node_compare = default_compare; else ctree->node_compare = cmp_func; } static void tree_sort (GtkCTree *ctree, GList *node, gpointer data) { GList *list_end; GList *list_start; GList *max; GList *work; if (node) list_start = GTK_CTREE_ROW (node)->children; else list_start = GTK_CLIST (ctree)->row_list; list_end = list_start; while (list_start) { max = list_start; work = GTK_CTREE_ROW (max)->sibling; while (work) { if (ctree->node_compare (ctree, work, max) > 0) max = work; work = GTK_CTREE_ROW (work)->sibling; } if (max == list_start) list_start = GTK_CTREE_ROW (max)->sibling; if (max != list_end) { gtk_ctree_unlink (ctree,max); gtk_ctree_link (ctree, max, node, list_end); list_end = max; } } } void gtk_ctree_sort_recursive (GtkCTree *ctree, GList *node) { GtkCList *clist; gboolean thaw = FALSE; g_return_if_fail (ctree != NULL); g_return_if_fail (GTK_IS_CTREE (ctree)); clist = GTK_CLIST (ctree); if (!GTK_CLIST_FROZEN (clist)) { gtk_clist_freeze (clist); thaw = TRUE; } gtk_ctree_post_recursive (ctree, node, GTK_CTREE_FUNC (tree_sort), NULL); if (thaw) gtk_clist_thaw (clist); } void gtk_ctree_sort (GtkCTree *ctree, GList *node) { GtkCList *clist; gboolean thaw = FALSE; g_return_if_fail (ctree != NULL); g_return_if_fail (GTK_IS_CTREE (ctree)); clist = GTK_CLIST (ctree); if (!GTK_CLIST_FROZEN (clist)) { gtk_clist_freeze (clist); thaw = TRUE; } tree_sort (ctree, node, NULL); if (thaw) gtk_clist_thaw (clist); }